"Midwest" and "Plains States" are pretty much synonymous, IMHO.
I've never heard them that way. IMHO, midwest refers to the rust belt, stuff no farther west then Minnesota and Iowa. When people talk about "the decline of the midwest" they are talking about car manufacturing, not farms. And the midwest states are not sucking on the federal tit. The great plains definitely stop west of Minnesota and Iowa.
Hmm...must be regional differences in terms. I'd describe what you're referring to as "Midwest" as either "Great Lakes states" or "Ohio Valley states". And at least
according to the Census Bureau, it does include the plains states. But anyways...
While I'm not an expert on this issue, I believe that most of the "teat sucking" takes the form of medicare and medicaid bringing a lot more federal funds then then federal payroll taxes in the states pay for.
Medicare should be higher based on age differentials. I could see that argument for places like Florida and Arizona, but neither of those are in the top 10 list. Elderly people don't retire in large flocks to Mississippi or South Dakota.
This PDF has some useful charts to break it down. Fig. 5 breaks it down by broad categories, per state. For Alaska and Virginia, the largest category of Federal expenditures is Procurements followed closely by Grants; for states like Alabama, Mississippi and West Virginia, the top category is "Retirement and disability".
Fig. 7 breaks it down per
agency per state, and you see that for Alaska and Virginia, DoD is the lion's share of Federal expenses (you've got NORAD and the Pentagon & Norfolk/COMATLFLT, respectively). Fairly big DoD chunk in Hawaii (Pearl Harbor and COMPACFLT), whereas in New Mexico it's very low, and HHS and Social Security are relatively low as well. Main agency spender in NM is "Other Agencies", which could be a combination of the Bureau of Indian Affairs (there are a lot of reservations), the Bureau of Mines, the Department of Energy (Los Alamos), etc.
In some of the later charts, it's clear that Virginia is on the top 10 list almost entirely because of procurement contracts. Virginia gets more spending in Federal procurement contracts (most of it defense-related) than any other state, and almost twice as much as the #2 state, Texas. A lot of that has to do with defense contractors having their HQs in N. Virginia, to be close to the centers of decision-making, even though the actual expenditures might be used in factories elsewhere. North Carolina gets a disproportionate amount of spending on military salaries (#2 behind Texas...we even get more than California, despite the presence of 29 Palms and San Diego Naval Station).
There's a TON of good data in that document, and if I had the time, I could go through and probably come up with good explanations for each state's Federal expenditures. And for the most part, it's not just "they're a bunch of lazy, fat white people collecting Social Security and disability". I guess what I'm getting at is that while I agree with your assertion that many "red" states where Republicans bemoan Federal taxation and "big government" are actually net recipients of Federal largesse, that does not mean that those states should be looked down upon for being net recipients. There are often good, often progressive reasons why they receive disproportionate outlays.